Predicting the Swelling Behavior of Acrylic Superabsorbent Polymers Used in Diapers

Table 2

Results of the model fitting.

Model	Sample ID
Second-order equation	1	0.2816	0.00245	0.9998
	2	0.2127	0.00230	0.9997
	3	0.6877	0.00243	0.9997
	4	0.6429	0.00272	0.9980
	5	0.4131	0.00309	0.9990
Power function	1	0.1301	0.2792	0.8996
	2	0.1817	0.2340	0.9068
	3	0.0354	0.4465	0.9388
	4	0.0119	0.7926	0.9805
	5	0.0861	0.3373	0.8824
Voigt-based viscoelastic model	1	367.3	173.7	0.9683
	2	396.6	145.6	0.9462
	3	343.2	163.9	0.9879
	4	314.2	300.9	0.8924
	5	292.3	212.1	0.9855